(n.) An analog-to-digital converter, or ADC as it is more commonly called, is a device that converts analog signals into digital signals. Analog information is transmitted by modulating a continuous transmission signal by amplifying a signal’s strength or varying its frequency to add or take away data. Digital information describes any system based on discontinuous data or events. Computers, which handle data in digital form, require analog-to-digital converters to turn signals from analog to digital before it can be read. One example is a modem which turns signals from digital to analog before transmitting those signals over communication lines such as telephone lines that carry only analog signals. The signals are turned back into digital form (demodulated) at the receiving end so that the computer can process the data in its digital format.
- anamorphic widescreen
In video terminology, anamorphic widescreen is a process that horizontally squeezes a 16:9 image into a 4:3 space. For the signal to appear with correct geometry, the display must either horizontally expand or vertically squish the image. Anamorphic video is also called “Enhanced for Widescreen” on DVD packaging. [Adapted from Home Theater Magazine]
In desktop publishing, to fix a graphical object so that its position relative to some other object remains the same during repagination. Frequently, for example, you may want to anchor a picture next to a piece of text so that they always appear together.
In DVD and video production, angle refers to a scene in the video that has been recorded from several different viewpoints.
- angle of inclination
The angle of inclination is used to describe the orbit data of a satellite. An angle of inclination is defined as the angle between the equatorial plane of the earth and the orbital plane of the satellite.
- animated GIF
A type of GIF image that can be animated by combining several images into a single GIF file. Applications that support the animated GIF standard, GIF89A, cycle through each image. GIF animation doesn’t give the same level of control and flexibility as other animation formats but it has become extremely popular because it is supported […]